A hollow conducting sphere of radius 12 cm had a charge of 18
C placed on it. What is the potential at the surface of the sphere?
A. 0 V
B. 24 V
C. 
D. 
E. 
D.
E
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An arrangement of 3 charges is drawn showing the field lines. The first charge has 20 lines going into it. The second charge has 30 lines going out of it. If the net charge of the arrangement is zero, what is the field line situation for the third charge?
A. 50 lines going out B. 50 lines going in C. 10 lines going out D. 10 lines going in E. 600 lines going out to infinity
Except for helium, the outer subshell of a noble gas has what electron configuration?
A. s2p4 B. s2p6 C. d2s2 D. d6p2 E. s1p4
From shortest to longest wavelength, which of the following correctly orders the different categories of electromagnetic radiation?
A) infrared, visible light, ultraviolet, X-rays, gamma rays, radio B) radio, infrared, visible light, ultraviolet, X-rays, gamma rays C) visible light, infrared, X-rays, ultraviolet, gamma rays, radio D) gamma rays, X-rays, ultraviolet, visible light, infrared, radio E) gamma rays, X-rays, visible light, ultraviolet, infrared, radio
According to the special theory of relativity, if a 30-year old astronaut sent on a space mission is accelerated to speeds close to that of light, and then returns to Earth after 20 years as measured on Earth, what would be his biological age upon returning?
a. less than 50 years b. 50 years c. more than 50 years d. exactly 100 years